WO2024001598A1 - Dispositif d'affichage - Google Patents

Dispositif d'affichage Download PDF

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Publication number
WO2024001598A1
WO2024001598A1 PCT/CN2023/095166 CN2023095166W WO2024001598A1 WO 2024001598 A1 WO2024001598 A1 WO 2024001598A1 CN 2023095166 W CN2023095166 W CN 2023095166W WO 2024001598 A1 WO2024001598 A1 WO 2024001598A1
Authority
WO
WIPO (PCT)
Prior art keywords
flexible screen
display
display device
housing
side wall
Prior art date
Application number
PCT/CN2023/095166
Other languages
English (en)
Chinese (zh)
Inventor
韩文
张海泽
Original Assignee
武汉华星光电半导体显示技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 武汉华星光电半导体显示技术有限公司 filed Critical 武汉华星光电半导体显示技术有限公司
Priority to US18/360,810 priority Critical patent/US20240007555A1/en
Publication of WO2024001598A1 publication Critical patent/WO2024001598A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/0206—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings
    • H04M1/0208—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings characterized by the relative motions of the body parts
    • H04M1/0235—Slidable or telescopic telephones, i.e. with a relative translation movement of the body parts; Telephones using a combination of translation and other relative motions of the body parts
    • H04M1/0237—Sliding mechanism with one degree of freedom
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/301—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026—Details of the structure or mounting of specific components
    • H04M1/0264—Details of the structure or mounting of specific components for a camera module assembly
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026—Details of the structure or mounting of specific components
    • H04M1/0266—Details of the structure or mounting of specific components for a display module assembly
    • H04M1/0268—Details of the structure or mounting of specific components for a display module assembly including a flexible display panel

Definitions

  • the present invention relates to the field of display, and in particular to a display device.
  • the present invention provides a display device that can alleviate the technical problem of difficulty in improving the display quality of current full-screen display devices.
  • the present invention provides a display device, including:
  • a housing is formed with a display window, and the housing includes a first end and a second end located on opposite sides of the display window;
  • a flexible screen disposed on the housing and including a light-transmitting area near a first end of the housing;
  • An optical component arranged on the housing and located on the side of the flexible screen facing away from the display window;
  • a moving component arranged on the housing and connected to the flexible screen
  • the moving component is used to slide the flexible screen relative to the display window to switch the display device at least between the first state and the second state;
  • the light-transmitting area is located outside the display window
  • the light-transmitting area is located in the display window and faces the optical component.
  • the flexible screen further includes a first display area surrounding the light-transmitting area and a second display area located on a side of the first display area away from the first end of the housing;
  • the second display area faces the display window
  • At least part of the first display area is located within the display window.
  • the display device further includes:
  • a support component provided on the housing and located on the side of the flexible screen facing away from the display window;
  • the support assembly includes a first support member disposed in the housing and close to the first end of the housing and a second support member close to the second end of the housing, and the flexible
  • the first end of the screen is curled around the first support member to enable the flexible screen to slide along the first support member and the surface of the second support member proximate the flexible screen.
  • the flexible screen includes a flexible screen main body and a flexible screen support mechanism, and the flexible screen support mechanism is located on the side of the flexible screen main body facing away from the display window;
  • At least the first end of the flexible screen support mechanism is curled around the first support member to a side of the first support member away from the display window, and the moving component is connected to at least the first end of the flexible screen support mechanism.
  • the moving component includes a first connection part fixed to at least the first end of the flexible screen support mechanism and a first driving part connected to the first connection part, the first driving part drives the The first connecting part moves relative to the housing so that the flexible screen slides relative to the display window.
  • the moving assembly includes two first connecting parts, one of the first connecting parts is only fixedly connected to the first end of the flexible screen support mechanism, and the other of the first connecting parts is only connected to the first end of the flexible screen support mechanism.
  • the second end of the flexible screen support mechanism is fixedly connected;
  • the moving component includes two first driving parts, and the two first driving parts are respectively connected to the two first connecting parts in a one-to-one correspondence.
  • the same first connecting portion is fixedly connected to both ends of the flexible screen support mechanism.
  • the first support member includes a first curved surface protruding toward the first end, and in the first state, the flexible screen in the light-transmitting area is attached to the first curved surface;
  • the second support member includes a second curved surface protruding toward the second end. In the second state, at least part of the flexible screen in the second display area adheres to the second curved surface.
  • the support assembly further includes a third support member integrally provided with the first support member and the second support member, and the third support member is provided in the housing and between the flexible screen and the flexible screen. between the optical components;
  • the third support member includes an opening near the first end, the optical component includes an optical functional element, and the optical functional element is fixed in the opening.
  • the orthographic projection of the geometric center of the optical functional element on the flexible screen and the flexible screen corresponding to the second display area is close to the third display area.
  • the spacing on one side of one end is 1mm to 5mm.
  • the housing includes a bottom and a first side wall, the bottom and the first side wall form a receiving cavity and the display window, the display window is located in the receiving cavity away from the bottom of the shell. one side;
  • the display device further includes a cover plate, the cover plate is fixed to the first side wall and the cover plate covers the display window.
  • the first side wall includes a first slot disposed close to the cover, and an edge of the cover close to the first side wall is fixed to the first slot.
  • the housing further includes a second side wall fixed to the side of the first side wall away from the bottom of the housing, and the bottom of the housing, the first side wall and the second side wall form an accommodation cavity and the display window;
  • the second side wall includes an extension portion extending toward the flexible screen, and the distance between the display side of the flexible screen and the extension portion is smaller than the distance between the display side of the flexible screen and the first side wall.
  • the first side wall includes a second slot disposed close to the second side wall
  • the second side wall includes a fixing portion close to one end of the first side wall, and the fixing portion is fixed to In the second slot, the second side wall is fixed to the first side wall.
  • the distance between the display side of the flexible screen and the extension part is 0.05mm ⁇ 0.3mm.
  • the extension portion is in contact with the display side of the flexible screen, and the extension portion includes a buffer layer located close to one end of the flexible screen.
  • the moving direction of the first connecting part is parallel to the plane where the bottom of the shell is located.
  • the first side wall corresponding to the first end of the housing includes a third curved portion in the same protruding direction as the first curved surface
  • the first side wall corresponding to the second end of the housing includes The wall includes a fourth curved portion in the same protruding direction as the second curved surface.
  • the housing controls the sliding distance of the flexible screen relative to the display window.
  • the display device further includes:
  • a distance sensing component is provided on the housing, and the distance sensing component is used to sense the sliding distance of the flexible screen relative to the display window;
  • the distance control component controls whether the flexible screen stops sliding based on the movement distance sensed by the distance sensing component.
  • the present invention slides the flexible screen relative to the display window by moving components, so that the display device is in a full-screen display state in the first state, and the light-transmitting area is located outside the display window, thereby improving the display quality of the display device in the full-screen display state.
  • Figure 1 is a first structural schematic diagram of a display device provided by an embodiment of the present invention.
  • Figure 2 is a second structural schematic diagram of a display device provided by an embodiment of the present invention.
  • Figure 3 is a third structural schematic diagram of a display device provided by an embodiment of the present invention.
  • Figure 4 is an enlarged view of area B in the display device provided in Figure 3;
  • Figure 5 is a fourth structural schematic diagram of a display device provided by an embodiment of the present invention.
  • Figure 6 is a fifth structural schematic diagram of a display device provided by an embodiment of the present invention.
  • FIG. 7 is an enlarged view of area B in the display device provided in FIG. 6 .
  • an embodiment of the present invention provides a display device 100, including:
  • the housing 101 is formed with a display window AA, and the housing 101 includes a first end 106 and a second end 107 located on opposite sides of the display window AA;
  • a flexible screen 102 is provided on the housing 101 and includes a light-transmitting area 103 close to the first end 106;
  • Optical component 108 is provided on the housing 101 and is located on the side of the flexible screen 102 facing away from the display window AA;
  • the moving component 109 is provided in the housing 101 and connected to the flexible screen 102;
  • the moving component 109 is used to slide the flexible screen 102 relative to the display window AA so that the display device 100 switches at least between the first state and the second state;
  • the light-transmitting area 103 is located outside the display window AA;
  • the light-transmitting area 103 is located in the display window AA and faces the optical component 108 .
  • the present invention slides the flexible screen relative to the display window by moving components, so that the display device is in a full-screen display state in the first state, and the light-transmitting area is located outside the display window, thereby improving the display quality of the display device in the full-screen display state.
  • the display device 100 includes: a housing 101, a flexible screen 102, an optical component 108, and a moving component 109; wherein, the housing 101 is formed with a display window AA, so The housing 101 includes a first end 106 and a second end 107 located on opposite sides of the display window AA; the flexible screen 102 is provided on the housing 101 and includes a light-transmissive panel near the first end 106 area 103, a first display area 104 surrounding the light-transmitting area 103, and a second display area 105 located on the side of the first display area 104 away from the first end 106; the optical component 108 is disposed on the The housing 101 is located on the side of the flexible screen 102 facing away from the display window AA; the moving component 109 is provided on the housing 101 and connected to the flexible screen 102; the moving component 109 is used to The flexible screen 102 slides relative to the display window AA, so that the display device 100 switches at least between a first state and
  • the display device 100 when the display device 100 is in the first state, the display device 100 is in a full-screen display state, and the second display area 105 is facing the display window AA, that is, the second The orthographic projection of the display area 105 on the housing 101 is located within the display window AA; the light-transmitting area 103 and the first display area 104 are located outside the display window AA. Therefore, the light-transmitting area 103 does not affect the full-screen display of the display device 100 in the first state, and improves the display quality of the display device 100 in the full-screen display state.
  • the first display area 104 When the display device 100 is in the first state, the first display area 104 is located outside the display window AA. At this time, when the display device 100 displays a picture, the first display area 104 in the second display area 105 The flexible screen 102 displays images, and the flexible screen 102 in the first display area 104 may not display images.
  • the display device 100 When the display device 100 is in the second state, the display device 100 is in the working state of the optical component 108.
  • the front camera may be turned on at this time, and the light-transmitting area 103 is located at The display window AA is within the display window AA and faces the optical component 108, so that the optical functional element 120 included in the optical component 108 receives external light signals to perform its function.
  • the display device 100 When the display device 100 is in the second state, at least part of the first display area 104 is located within the display window AA, and at least part of the second display area 105 is located outside the display window AA.
  • the flexible screen 102 corresponding to the first display area 104 located in the display window AA and the second display located in the display window AA all display images. Since the display device 100 still needs to display images when the display device 100 is in the second state, the pixel density of the flexible screen 102 in the first display area 104 is less than or equal to the The pixel density of the flexible screen 102 in the second display area 105. When the pixel density of the flexible screen 102 in the first display area 104 is equal to the pixel density of the flexible screen 102 in the second display area 105 , it is beneficial for the display device 100 to operate in the second display area 104 .
  • the high-quality picture display is still maintained in the second state; because when the display device 100 is in the second state, users tend to pay more attention to the working conditions of the optical component 108, such as whether the image range captured by the front camera meets the requirements, etc. , and the degree of concern about the quality of the picture itself displayed by the flexible screen 102 is not as high as that of the picture display quality of the display device 100 in the first state. Therefore, all the images in the first display area 104
  • the pixel density of the flexible screen 102 may be smaller than the pixel density of the flexible screen 102 in the second display area 105 , which is beneficial to reducing the manufacturing cost of the display device 100 .
  • the light transmittance of the flexible screen 102 in the light-transmitting area 103 is greater than the light transmittance of other areas (such as the first display area 104 and the second display area 105 ), so that the optical component 108
  • the optical functional element 120 receives external light signals.
  • the flexible screen 102 in the light-transmitting area 103 is provided with at least one through hole penetrating the flexible screen 102. In the first state, the through hole is located outside the display window AA; In the second state, the through hole is located in the display window AA and faces the optical component 108; the light-transmitting area 103 does not participate in either the first state or the second state.
  • the screen display of the display device 100 can be a single hole, a double hole, a multi-hole, etc., or a special-shaped hole, and the special-shaped hole can be a drop-shaped or rectangular hole, etc.
  • the pixel density of the flexible screen 102 in the light-transmitting area 103 is smaller than the pixel density of the flexible screen 102 in the second display area 105 and/or the pixel density of the flexible screen 102 in the light-transmitting area 103
  • the pixel density of the screen 102 is smaller than the pixel density of the flexible screen 102 in the first display area 104; at this time, in the first state, the light-transmitting area 103 is located outside the display window AA, so The light-transmitting area 103 does not participate in picture display.
  • the light-transmitting area 103 is located in the display window AA, and the light-transmitting area 103 participates in picture display, so that the display device 100 Full-screen display can also be performed in the
  • the display device 100 further includes: a support component 110, which is provided on the housing 101 and located on the side of the flexible screen 102 facing away from the display window AA; wherein , the support assembly 110 includes a first support member disposed in the housing 101 and close to the first end 106 of the housing 101 and a second support member 112 close to the second end 107 of the housing 101 , at least the first end of the flexible screen 102 is curled around the first support member 111 so that the flexible screen 102 can be close to the flexible screen 102 along the first support member 111 and the second support member 112 surface slides.
  • a support component 110 which is provided on the housing 101 and located on the side of the flexible screen 102 facing away from the display window AA; wherein , the support assembly 110 includes a first support member disposed in the housing 101 and close to the first end 106 of the housing 101 and a second support member 112 close to the second end 107 of the housing 101 , at least the first end of the flexible screen 102 is curled around the first support member
  • the first end of the flexible screen 102 is curled around the first support member 111 so that the flexible screen 102 can be close to the flexible screen 102 along the first support member 111 and the second support member 112 .
  • the surface of the screen 102 slides; or, the first end of the flexible screen 102 and the second end of the flexible screen 102 are curled around the first support member 111 and the second support member 112 respectively, so that the The flexible screen 102 can slide along the surfaces of the first support member 111 and the second support member 112 close to the flexible screen 102 .
  • the flexible screen 102 includes: curling around the first support member 111 to the first support The first end of the flexible screen 102 on the side of the member 111 away from the display window AA and the flexible screen 102 curled around the second support member 112 to the side of the second support member 112 away from the display window AA. the second end.
  • the first display area 104 and the light-transmitting area 103 are close to the first end of the flexible screen 102, and the second display area 105 is close to the second end of the flexible screen 102.
  • the second end of the flexible screen 102 moves in the direction of the first end of the flexible screen 102 relative to the housing 101.
  • the first end moves relative to the housing 101 in a direction away from the second end of the flexible screen 102 so that at least part of the second display area 105 slides outside the display window AA and the light-transmitting area 103 And at least part of the first display area 104 slides into the display window AA and the light-transmitting area 103 faces the optical component 108; when the display device 100 switches from the second state to the third In one state, the movement direction of the second end of the flexible screen 102 and the first end of the flexible screen 102 is opposite to that when the display device 100 switches from the second state to the first state.
  • the second display area 105 is close to the second portion of the flexible screen 102 .
  • the distance that one side of the end moves is equal to the distance that the first display area 104 moves close to the first end of the flexible screen 102 to prevent the flexible screen 102 from being moved due to the movement of the flexible screen 102 during the sliding process.
  • the inconsistent movement distances between the first end and the second end of the flexible screen 102 cause problems such as wrinkles or damage.
  • the flexible screen 102 includes a flexible screen body 114 and a flexible screen support mechanism 115. At least the first end of the flexible screen support mechanism 115 surrounds the first support member. 111 is curled to the side of the first support member 111 away from the display window AA, and the moving component 109 is connected to at least the first end of the flexible screen support mechanism 115 .
  • the moving component 109 is only connected to the The first end of the flexible screen support mechanism 115; or, the first end of the flexible screen support mechanism 115 is curled around the first support member 111 to the side of the first support member 111 away from the display window AA ;
  • the second end of the flexible screen support mechanism 115 is curled around the second support member 112 to the side of the second support member 112 away from the display window AA, and the mobile component 109 is connected to the flexible screen support The first end of the mechanism 115 and the second end of the flexible screen support mechanism 115 .
  • the flexible screen support mechanism 115 is located on the side of the flexible screen main body 114 facing away from the display window AA, that is, the flexible screen support mechanism 115 is located on the non-display side of the flexible screen main body 114 .
  • the material of the flexible screen support mechanism 115 may include one or more materials that play a supporting role such as stainless steel, copper alloy, aluminum alloy, carbon fiber plate, etc.
  • the length of the flexible screen main body 114 is smaller than the length of the flexible screen support mechanism 115 . Further, the first end of the flexible screen body 114 does not curl to the side of the first support member 111 away from the display window AA, and the second end of the flexible screen body 114 does not curl to the second
  • the support member 112 is on the side away from the display window AA to avoid damage caused by friction between the flexible screen body 114 and the bottom of the housing 101 when the flexible screen 102 slides relative to the display window. . That is, only the flexible screen support mechanism 115 is curled around the support assembly to the side of the support assembly 110 away from the display window AA.
  • the flexible screen support mechanism 115 is curled around the first support member 111 to one end of the side of the first support member 111 away from the display window AA and connected to the moving assembly 109, or the flexible screen support The mechanism 115 is curled around the second support member 112 to one end of the side of the second support member 112 away from the display window AA and is connected to the moving assembly 109 .
  • the moving component 109 provides a driving force to at least one end of the flexible screen support mechanism 115 to cause the flexible screen 102 to slide relative to the display window AA.
  • the flexible screen body 114 includes a substrate, a thin film transistor layer located on the substrate, and a light-emitting device layer located on the thin film transistor layer.
  • the light-emitting device layer includes an anode layer and a luminescent device located on the anode layer. material layer and a cathode layer located on the luminescent material layer.
  • the display panel also includes a pixel definition layer located on the same layer as the luminescent material layer and a polarizing layer located on the luminescent device layer.
  • the flexible screen 102 also includes a flexible circuit board and an integrated circuit electrically connected to the flexible screen body 114 .
  • the moving component 109 includes a first connection part 116 fixed at least to the first end of the flexible screen support mechanism 115 and connected to the first connection part 116
  • the first driving part 117 drives the first connecting part 116 to move relative to the housing 101 so that the flexible screen 102 slides relative to the display window.
  • the moving assembly 109 includes two first connecting parts 116, one of the first connecting parts 116 is only fixedly connected to the first end of the flexible screen support mechanism 115, and the other first connecting part 116 is fixedly connected only to the first end of the flexible screen support mechanism 115.
  • the part 116 is only fixedly connected to the second end of the flexible screen support mechanism 115; the moving component 109 includes two first driving parts 117, and the two first driving parts 117 are respectively connected with the two first driving parts 117.
  • a connecting part 116 is connected in a one-to-one correspondence.
  • the first driving part 117 drives the first connecting part 116 to move relative to the housing 101, so that the flexible screen 102 slides relative to the display window AA.
  • the first connection part 116 includes a first connection substrate.
  • the first connection part 116 and the flexible screen support mechanism 115 can be fixed or adhered by screws between the first connection substrate and the flexible screen support mechanism 115. It is fixed by a combined fixing method, preferably by screws, which is more convenient for processing and has better fixing effect.
  • the first driving part 117 and the first connecting part 116 make the flexible screen 102 slide relative to the display window AA through rack and pinion transmission.
  • the first driving part 117 includes a first gear
  • the first connecting part 116 includes a first rack
  • the first gear meshes with the first rack.
  • the first gear rotates to drive the movement of the first rack to move the first connecting portion 116 relative to the housing 101 , thereby causing the flexible screen 102 to slide relative to the display window AA.
  • the first gear includes a first shaft fixed to the housing 101 and a first wheel rotatably connected to the first shaft. The edge of the first wheel meshes with the first rack.
  • the first rotating wheel rotates relative to the first shaft to move the first rack relative to the housing 101 and thereby move the first connecting portion 116 relative to the housing 101 .
  • the first rack may be directly fixed to at least one end of the flexible screen support mechanism 115, or the first connection substrate may be fixed to at least one end of the flexible screen support mechanism 115, and the first rack may be fixed to at least one end of the flexible screen support mechanism 115. the first connection substrate.
  • the first driving part 117 also includes a first blocking mechanism. When the first gear rotates a first target angle, the first rack moves a first distance. The first blocking mechanism is used to prevent the third gear from moving. The continuous rotation of a gear controls the sliding distance of the flexible screen 102 relative to the display window AA, so that the display device 100 switches at least between the first state and the second state.
  • the first driving part 117 and the first connecting part 116 make the flexible screen 102 slide relative to the display window AA through chain transmission.
  • the first connection part 116 includes a first transmission chain
  • the first driving part 117 includes a first main transmission wheel and a first auxiliary transmission wheel
  • the first transmission chain the first main transmission wheel and the first auxiliary transmission wheel.
  • the first auxiliary transmission wheel is engaged, and at least the first main transmission wheel rotates to drive the first transmission chain to move so that the first connecting part 116 moves relative to the housing 101, thereby causing the flexible screen 102 to move relative to the housing 101.
  • the display window AA slides.
  • the first main transmission wheel includes a second shaft fixed to the housing 101 and a second wheel rotatably connected to the second shaft.
  • the first auxiliary transmission wheel includes a third shaft fixed to the housing 101 and a third runner rotatably connected to the third shaft.
  • the edge of the third runner is connected to the first transmission chain.
  • the first transmission chain may be directly fixed to at least one end of the flexible screen support mechanism 115, or the first connection substrate may be fixed to at least one end of the flexible screen support mechanism 115, and the first transmission chain may be fixed to at least one end of the flexible screen support mechanism 115.
  • the first connection substrate When the first main transmission wheel rotates at the second target angle, the first transmission chain moves a second distance, and the first blocking mechanism is used to prevent the first main transmission wheel from continuing to rotate to control the
  • the sliding distance of the flexible screen 102 relative to the display window AA enables the display device 100 to switch at least between the first state and the second state.
  • the first driving part 117 and the first connecting part 116 make the flexible screen 102 slide relative to the display window AA through screw transmission.
  • the first connection part 116 includes a first drive nut
  • the first drive part 117 includes a first drive screw
  • the first drive nut engages with the first drive screw
  • the first drive screw rotates to drive
  • the first transmission nut moves to move the first connecting part 116 relative to the housing 101, thereby causing the flexible screen 102 to slide relative to the display window AA.
  • the first driving part 117 also includes a first fixing part.
  • the first fixing part is fixed to the housing 101 and is rotatably connected to the first driving screw.
  • the first driving screw is opposite to the first driving screw.
  • the fixing part rotates to move the first transmission nut relative to the housing 101 and thereby move the first connecting part 116 relative to the housing 101 .
  • the first fixing part may be rotatably connected to both ends of the first driving screw. One end of the first driving screw is disposed close to the first end of the flexible screen 102 , and the other end of the first driving screw is disposed close to the first end of the flexible screen 102 . It is arranged close to the second end of the flexible screen 102 .
  • the first transmission nut may be directly fixed to at least one end of the flexible screen support mechanism 115, or the first connection base plate may be fixed to at least one end of the flexible screen support mechanism 115, and the first transmission nut may be fixed to the first connection substrate.
  • the first driving screw rotates at a third target angle
  • the first driving nut moves a third distance
  • the first blocking mechanism is used to prevent the first driving screw from continuing to rotate to control the flexible screen. 102 relative to the sliding distance of the display window AA to achieve switching of the display device 100 between at least the first state and the second state.
  • the moving component 109 is driven by a linear motor to slide the flexible screen 102 relative to the display window AA.
  • the first connecting part 116 includes a first mover
  • the first driving part 117 includes a first stator and a first linear motor
  • the first stator and the first linear motor are fixed to the housing 101.
  • the first linear motor drives the first mover to move linearly relative to the first stator, thereby causing the first connecting portion 116 to move relative to the housing 101 .
  • the first mover may be directly fixed to at least one end of the flexible screen support mechanism 115, or the first connection substrate may be fixed to at least one end of the flexible screen support mechanism 115, and the first mover may be fixed to at least one end of the flexible screen support mechanism 115. the first connection substrate.
  • the first blocking mechanism is used to prevent the first mover from continuing to move, so as to control the sliding distance of the flexible screen 102 relative to the display window AA.
  • the display device 100 is implemented to switch at least between the first state and the second state.
  • the same first connection part 116 is connected to the first end of the flexible screen support mechanism 115 and the third end of the flexible screen support mechanism 115 . Both ends are fixedly connected. That is, the first connecting portion 116 is fixed to one end of the flexible screen support mechanism 115 close to the first end 106 and one end of the flexible screen support mechanism 115 close to the second end 107 . At this time, an end of the first connecting portion 116 close to the first end 106 is fixed to an end of the flexible screen support mechanism 115 close to the first end 106 , and the first connecting portion 116 is close to the second end.
  • One end of the end 107 is fixed to an end of the flexible screen support mechanism 115 close to the second end 107 . It is convenient that when the flexible screen 102 slides relative to the display window AA, the sliding distances of the first end of the flexible screen 102 and the second end of the flexible screen 102 remain consistent to prevent the flexible screen 102 from sliding during the sliding process. Due to inconsistent movement distances of the first end of the flexible screen 102 and the second end of the flexible screen 102, problems such as wrinkles or damage may occur.
  • the first support member 111 includes a first curved surface protruding toward the first end 106 .
  • the light-transmitting area 103 is The flexible screen 102 is attached to the first curved surface; at this time, the side of the flexible screen main body 114 close to the first end of the flexible screen 102 is attached to the first curved surface.
  • the second support member 112 includes a second curved surface protruding toward the second end 107. In the second state, at least part of the flexible screen 102 in the second display area 105 is attached to the second support member 112.
  • Second curved surface at this time, the side of the flexible screen main body 114 close to the second end of the flexible screen 102 is attached to the second curved surface.
  • the arrangement of the first curved surface and the second curved surface is that the flexible screen 102 slides relative to the display window AA at the first end 106 and the second end 107 of the housing 101 respectively. This provides support, reduces the frictional resistance of the display screen during the sliding process, and reduces the risk of damage to the display screen.
  • the spacing on one side of the first end of the screen 102 is 3 mm to 10 mm, which not only allows the light-transmitting area 103 to be completely located outside the display window AA in the first state, but also is beneficial to the first display area.
  • the area of 104 will not be too large to cause an increase in manufacturing costs.
  • the support assembly 110 further includes a third support member 113 integrally provided with the first support member 111 and the second support member 112 .
  • the support member 113 is disposed in the housing 101 and between the flexible screen 102 and the optical component 108 .
  • the third support member 113 includes an opening near the first end 106, and the optical component 108 includes an optical functional element 120, which is fixed in the opening.
  • the orthographic projection of the geometric center of the optical functional element 120 on the flexible screen 102 is close to the flexible screen 102 corresponding to the second display area 105 .
  • the spacing on one side of the first end 106 is 1 mm to 5 mm, preferably 3 mm to 5 mm, which is beneficial to the reception of external light signals by the optical functional element 120 and does not affect the arrangement of other structures in the housing 101 .
  • the light-transmitting area 103 faces the optical component 108 , that is, the light-transmitting area 103 faces the optical functional element 120 .
  • the light-transmitting area 103 faces the optical functional element 120 .
  • the geometric center of the light-transmitting area 103 coincides with the orthographic projection of the geometric center of the optical functional element 120 on the flexible screen 102 . Therefore, the distance between the geometric center of the light-transmitting area 103 and the side of the second display area 105 close to the first display area 104 is 1 mm to 5 mm, preferably 3 mm to 5 mm, while ensuring that the optical functional elements 120 receives sufficient light signals while preventing the distance between the light-transmitting area 103 and the second display area 105 from being too far, resulting in an excessively large area of the first display area 104 and an increase in manufacturing costs.
  • the housing 101 includes a bottom 122 and a first side wall 121.
  • the bottom 122 and the first side wall 121 form a receiving cavity and the display.
  • Window AA, the display window AA is located on the side of the accommodation cavity away from the shell bottom 122 .
  • the plane where the display window AA is located is parallel to the plane where the shell bottom 122 is located, and the flexible screen 102, the optical component 108, the moving component 109, and the supporting component 110 are all arranged in the accommodation cavity.
  • the support component 110 may be integrally provided with the first side wall 121 , or the support component 110 may be fixed to the first side wall 121 . When the support component 110 is fixed to the first side wall 121, the support component 110 may be fixed to the first side wall 121 by adhesive fixation or screw fixation.
  • the first end of the flexible screen 102 and the second end of the flexible screen 102 are parallel to the shell bottom 122 , and the first end of the flexible screen 102 and the second end of the flexible screen 102 are opposite to the shell bottom 122 .
  • the moving direction of the first end of the flexible screen 102 and the second end of the flexible screen 102 is parallel to the plane where the shell bottom 122 is located. That is, the moving direction of the first connecting portion 116 is parallel to the plane where the housing bottom 122 is located.
  • the direction of the first driving force exerted by the first driving part 117 on the first connecting part 116 is perpendicular to a first plane, and the first plane is perpendicular to the plane where the shell bottom 122 is located.
  • a plane is parallel to the plane where the first end of the flexible screen 102 is located or the plane where the second end of the flexible screen 102 is located.
  • the direction of the first driving force or the second driving force is perpendicular to The first end of the flexible screen 102 or the second end of the flexible screen 102 maximizes the driving efficiency of the first driving force or the second driving force.
  • the first side wall 121 corresponding to the first end 106 of the housing 101 includes a third curved portion in the same protruding direction as the first curved surface, and the second end of the housing 101
  • the corresponding first side wall 121 of 107 includes a fourth curved portion in the same protruding direction as the second curved surface to improve the space utilization of the accommodation cavity.
  • the display device 100 further includes a cover 123 that is fixed to the first side wall 121 and covers the display window AA.
  • the arrangement of the cover 123 is conducive to protecting the display screen, preventing external dust and water from entering the housing 101, and protecting various components in the housing 101.
  • the first side wall 121 includes a first slot disposed close to the cover 123 , and the edge of the cover 123 close to the first side wall 121 is fixed to the first slot.
  • the housing 101 further includes a second side wall 124 fixed to the side of the first side wall 121 away from the shell bottom 122 .
  • the first side wall 121 and the second side wall 124 form an accommodation cavity and the display window AA.
  • the first side wall 121 includes a second slot disposed close to the second side wall 124.
  • the second side wall 124 includes a fixing portion close to one end of the first side wall 121.
  • the fixing portion is fixed to the first side wall 121.
  • the second side wall 124 is fixed to the first side wall 121 .
  • the second side wall 124 includes an extension portion extending toward the flexible screen 102 , and the distance between the display side of the flexible screen 102 and the extension portion is smaller than the distance between the display side of the flexible screen 102 and the first side wall.
  • the second side wall 124 is provided instead of the cover 123 to reduce or even prevent external dust and water from entering the housing 101, thereby protecting various components in the housing 101. components.
  • the distance between the extension part and the flexible screen 102 is 0.05mm ⁇ 0.3mm. If the display side of the flexible screen 102 is too close, causing the flexible screen 102 to rub against the second side wall 124 during the sliding process and be scratched, it will not cause the display between the extension part and the flexible screen 102 to be scratched. If the side distance is too far, external dust and water may enter the accommodation cavity through the gap between the extension part and the flexible screen 102 , causing damage to the display device 100 .
  • the extension part can be in contact with the display side of the flexible screen 102 to improve the protective performance of the display device 100 in preventing dust, water, etc. from entering the interior of the display device 100 .
  • the extension part includes a buffer layer located close to one end of the flexible screen 102 to prevent the display screen from being scratched or caused by the contact between the display side of the flexible screen 102 and the extension part. Problems such as wear and tear caused by movement.
  • the material of the buffer layer may be foam, rubber or other materials with buffer properties.
  • the second side wall 124 may be made of a material that has both buffering and supporting properties, such as rubber, to simplify the design of the second side wall 124 and improve the product yield of the display device 100 .
  • the display device 100 may be a flat display type display device or a foldable display type display device.
  • the display device 100 preferably uses the The second side wall 124 replaces the cover 123 to improve the bending performance of the display device 100, avoid damage to the cover 123 during repeated folding, and improve the product quality of the display device 100. .
  • the display device 100 further includes: a distance control component that controls the sliding distance of the flexible screen 102 relative to the display window AA.
  • the distance control component may be fixed to the housing 101 . Specifically, the distance control component may be fixed to the housing bottom 122 , the first side wall 121 or the support component 110 .
  • the distance control component includes a locking member.
  • the locking member locks the flexible screen 102 or the first connecting portion 116 so that the flexible screen 102 no longer moves.
  • the first driving part 117 accordingly stops driving the first connecting part 116 to move.
  • the locking member may include a first elastic piece and a second elastic piece provided on the bottom 122 of the shell, and the first connecting portion 116 includes a first opening located on a side close to the housing 101.
  • the display device 100 further includes: a distance sensing component disposed on the housing 101, the distance sensing component being used to sense the sliding of the flexible screen 102 relative to the display window AA. distance. At this time, the distance control component controls whether the flexible screen 102 stops sliding based on the movement distance sensed by the distance sensing component.
  • the distance sensing component includes a distance sensing receiving member and a distance sensing transmitting member.
  • the distance sensing receiving member is fixed on the first connection part 116
  • the distance sensing transmitting member is fixed on the first side. wall 121 or the shell bottom 122; alternatively, the distance sensing transmitting member is fixed to the first connection part 116, and the distance sensing receiving member is fixed to the first side wall 121 or the shell bottom 122 .
  • the distance sensing component senses the moving distance of the first connection portion 116 by transmitting and receiving signals between the distance sensing transmitting member and the distance sensing receiving member, thereby sensing the flexible The moving distance of the first end of the screen 102 or the second end of the flexible screen 102 relative to the housing 101 .
  • the distance control component controls the flexible screen 102 to stop sliding according to the movement distance sensed by the distance sensing component; when When the distance sensing component senses that the flexible screen 102 has not slid to the target distance, the distance control component keeps the flexible screen 102 sliding according to the movement distance sensed by the distance sensing component.
  • the flexible screen 102 slides relative to the display window AA through the moving component 109, so that the display device 100 is in a full-screen display state in the first state, and the light-transmitting area 103 Located outside the display window AA, the display quality of the display device 100 in the full-screen display state is improved.
  • An embodiment of the present invention discloses a display device.
  • the display device includes: a housing forming a display window, the housing including a first end and a second end located on opposite sides of the display window; a flexible screen disposed on the housing and It includes a light-transmitting area near the first end, a first display area surrounding the light-transmitting area, and a second display area located on the side of the first display area away from the first end; an optical component provided on the housing; and connected to the flexible screen
  • the moving component is arranged on the housing and slides the flexible screen relative to the display window, so that in the first state, the second display area faces the display window, and the light-transmitting area is located outside the display window; in the second state, the light-transmitting area Located within the display window and facing the optical components.
  • the present invention slides the flexible screen relative to the display window by moving components, so that the display device is in a full-screen display state in the first state, and the light-transmitting area is located outside the display window, thereby improving the display quality of the display device in the full-screen display state.

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

L'invention concerne un dispositif d'affichage (100) qui comprend : un boîtier (101) dans lequel une fenêtre d'affichage est formée, le boîtier (101) comprenant une première extrémité (106) et une seconde extrémité (107); un écran souple(102), qui est disposé dans le boîtier (101) et comprend une zone de transmission de lumière (103) proche de la première extrémité (101); un ensemble optique (108) disposé dans le boîtier (101); et un ensemble de déplacement (109), qui est relié à l'écran souple (102) et amène l'écran souple à coulisser par rapport à la fenêtre d'affichage. Dans un premier état, la zone de transmission de lumière (103) est située à l'extérieur de la fenêtre d'affichage; et dans un second état, la zone de transmission de lumière (103) est située dans la fenêtre d'affichage et fait directement face à l'ensemble optique (108).
PCT/CN2023/095166 2022-07-01 2023-05-19 Dispositif d'affichage WO2024001598A1 (fr)

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CN202210774879.XA CN115132083A (zh) 2022-07-01 2022-07-01 显示装置

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CN115132083A (zh) * 2022-07-01 2022-09-30 武汉华星光电半导体显示技术有限公司 显示装置

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